Patents by Inventor Sugiyama Hidenori

Sugiyama Hidenori has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Preventing agent for human immunodeficiency virus infection comprising menfegol
    Patent number: 4954530
    Abstract: Preventing agent for a human immunodeficiency virus infection contains menfegol as an active ingredient. The preventing agent may be in the form of a foaming tablet, a jelly preparation, vaginal suppository, or ointment. A condom applied with the jelly preparation is also disclosed.
    Type: Grant
    Filed: May 24, 1989
    Date of Patent: September 4, 1990
    Assignee: Eisai Co., Ltd.
    Inventors: Tsutomu Miyamoto, Hisanaga Igarashi, Sugiyama Hidenori